Start of Winter

Video from Xinhua

Lidong (Start of Winter) is the nineteenth solar term, marking the arrival of winter. The temperature will gradually drop, so will the water temperature.

The dry cold winter in North China makes people's respiratory tract dry. Combined with the fact that the Chinese like to keep warm, it is likely to get inflammation and other respiratory diseases. You can put a basin of water next to the heater, or a separate humidifier to maintain indoor humidity and reduce the occurrence of disease.